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The epidemic analysis of the first influenza H1N1 outbreak in suburb middle school in Xining City
Author(s): 
Pages: 850-851
Year: Issue:  9
Journal: Chinese Journal of Health Education

Keyword:  流感病毒A型H1N1亚型疾病暴发流行流行病学学生;
Abstract: 目的 了解甲型H1N1流感暴发疫情的特点,为控制学校甲型H1N1流感暴发疫情提供科学依据.方法 采取现场流行病学调查方法,对2009年9月西宁市首起甲型H1N1流感暴发乡镇中学所有病例进行问卷调查.对发病3d内患者采集咽拭子标本,使用荧光定量PCR方法检测甲型H1N1流感病毒核酸,对密切接触者进行7d的医学观察.收集学校所在社区部分流感样病例咽拭子标本,了解甲型H1N1流感病毒感染状况.结果 疫情持续14d,共发生流感样病例96例,罹患率为18.46%.采集53份患者咽拭子标本中27份甲型H1N1核酸为阳性,阳性率为50.94%.302名密切接触者未发生被感染病例.275份社区流感样病例咽拭子标本甲型H1N1流感核酸阳性率为10.18%.结论 西宁市首起乡镇中学甲型H1N1流感暴发疫情感染来源为社区;甲型H1N1流感疫情流行病学特征与季节性流感相似.
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